How does laser treatment stimulate collagen remodeling?

Laser treatment stimulates collagen remodeling primarily by creating controlled thermal injury to the dermis. This process involves delivering precise energy through the laser, which raises the temperature within the targeted skin layer. The thermal effect induces micro-injuries, which triggers the body's natural healing response. As the skin heals, fibroblasts are stimulated to produce new collagen and elastin. This remodeling of collagen improves the skin’s texture and elasticity over time.

The other options do not accurately reflect the primary mechanism by which lasers facilitate collagen remodeling. While increasing blood circulation can aid in the healing process, it is not the principal method by which lasers achieve this outcome. Chemical peels can complement laser treatments but do not directly stimulate collagen remodeling through laser technology itself. Cooling the skin may be used to protect surface tissues and enhance comfort during treatment, but it does not contribute to the actual remodeling process of collagen within the dermis.